--- a/src/MQTTCommand.h	Sun May 08 21:42:14 2022 +0200
+++ b/src/MQTTCommand.h	Sun Jun 05 22:51:45 2022 +0200
@@ -34,6 +34,8 @@
 private:
 	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.
 	std::atomic<bool> continueProcessing{true};
+	static void parseConnectionString(const std::string& connectionString, std::string& hostname, int& port);
+	static void check(std::string operation, int result);
 public:
 	virtual ~MQTTCommand();